Radiator shutter



March 17, 1925. 1,530,220

w. s; THELLMAN RADIATOR SHU'I'TER Fil Sept. 25, 1925 2 sheets-sheet A1 I 61cm m1 Mrch 17. 1925.

w. s. THELLMAN RADIATOR SHUTTER 2 Sheets-*Sheet 2 Filled Sept. 25

Patented Man-17., 1925.

y'UNITED STATES WILLIAM'. S. THELLMANyOF NEW CASTLE, PENNSYLVANIA.

RADIATOR SHUlTTER.'

Application mea september as, 1923. serial No. scarsa.

To all twhom t may concern:

Be it known that I, WILLIAM S. THELL- MAN, a citizen of the United States of America, residing at New Castle, in the county of Lawrence and State of Pennsylvania, have invented certain new and useful Improvements in Radiator Shutters, of which the following is a specification.

The present invention relates to a radiator shutter and has for its principal object to provide a device used in conjunction with an automobile radiator or the like for preventing the circulation of air therethrough as may be desired. Such a device as is here described is particularly useful during cold weather allowing the 'water in the radiator to be maintained at a desired `temperature and also aiding in preventing the water from freezing 1n extremely cold weather.

An important obj ect of the invention 1s to generally improve upon a shutter mechanism of this nature by providing a simple .and efficient construction, one which .is reliable in use and operation, inexpensive to manufacture, attractive in appearance, durable, conveniently operated, and well adapted to the purpose for ywhich it is desired.

Wit-h the above and numerous other objects in view as will appear as the description progresses, the invention resides in certain novel features of construction, and in the combination and arrangement of arts as will be hereinafter more fully descri ed and claimed.

In the drawing:

Figure 1 is an elevation of an automobile radiator showing my shutter mechanism associated therewith,

Figure 2 is a detail elevation showing the actuating means for the shutters, i

Figure 3 is a detail section taken substantially on the line 3-3 of Figure 2,

Figure 4 is a detail section on an enlarged scale taken substantially on the line 4 4 of Figure 1, j

Figure 5 is a detail section taken on the line 5-5 of Figure 2,

Figure 6 is a detail fragmentary elevation taken. at substantially right angles to thatshownin Figure 2,

therebetween being Fi ure 7 is a .vertical section taken substantially on the line 7-7 of Figure 1,

Figure 8 is a detail perspective view of the shutter operating block,

. Figure .9 is a detail perspective of-'one of the position retaining devices for the. shutcasing one on each side ofthe cooling means 2 and a plurality of shutters 4 are journaled rovided with suitable pintles 5 which pro]ect through the angle bars. These shutters 4 are so arranged. that when they are in a closed position as shown in Figure 7 the edges thereof will touch\each other so as to prevent circulation of air through the cooling means 2.

I have provided means whereby these` shutters ma beactuated progressively from the top to t e-bottom and vice versa. Thus in extremel cold weather it would probably be desirable. that only theuppenshut- I ters 4 be open as in Figure 1, whereas 1n hot weather it would be desirable that -all of the shutters be open. y

The operating means for thesefshutters is actuated from the dash, see Figure 4, by

formed integral with a shaft 7 preferably journaled in the dash of the automobile and 'means of a crank 6 which is attached or 1 through the casing of the radiator passing y under the hood ofthe engine. The forward end of this shaft carries a beveled gear 8 which meshes'with a similar bevel gear 9 carried at the upper end of the shaft 10 which is provided with a spiral groove 11` extending throughout its entire length.` This shaft 10 is journaled in plates 12 carried at the ends of one ofthe angle bars 3. A block or nut 13 is mounted on the shaft 10 being provided with a bore 14 having diametrically opposed lugs '15 therein constructed for enga in the spiral groove 11. A linger 16 exten rom cne corner of the block 13 for` engaging dogs 18 one of `which.

'One side' of the block or nut 13. will engage this strip and thus this block will be prevented from rotation and therefore upon rotation of the shaft 10 this block will move up or down depending upon the direction of the rotation of said shaft. The dogs 18 are substantially U-shaped and are fixed to l V the pintles 5 at their intermediate portions.

As the block 13 movespast any particular dog 18 it will engage one leg thereof causing rotation of the intle upon which the dog is mounted there y opening Vor closing the shutter associated with sald dog. It is evident from a consideration of -Figure 7 that the shutters have a natural tendency to remain in and return to a closed position. In

e order to hold the shutters in an open position or a partial open position, I have provided a plurality of clips 20 which are preferably formed of resilient metal or the like. There is one cli associated with each dog. Each clip20 inc udes a body 21, an angular extension 22 and an attaching plate 23 which extends parallel with the body 21.

bar 3 by means of rivets or bolts or in any other suitablemanner, thus holding the body 21 in spaced relationto the bar and in such a position that a shoe 24 formed on the body will be at all times engaged with a portion of the adjacent dog, thus tending to hold the dog and the associated shutter in whatever position it may be moved. It will also be' noted that each body 21 is provided .with a notch 25 at its upper end for holding al` block 26 through whlch a pintle of the acljacent shutter is journaled. l

Granting that the block 13 is in its uppermost position on its shaft 10, it will be noted that by turning the crank 6 in a counterclockwise direction that this block will be moved downwardly because of the rotation of shaft 7, beveled gears 8 and 9, and shaft 10. As it asses by the first shutter itsfinger 16 wil engage the first dog and rotate the same so as to cause the rst or upper shutter to move to an open position in which osition it will be retained by the shoe 24 rictionally engaging the dog and being so held by thel resilient nature of the clip 20. This operation will be continued in relation to the remainin shutters as the block moves downwardly. 'Ihe operation just described will be reversed when the crank 6 is operated in a clockwise direction.

It is thought that the construction and operation as well as the advantages of`the invention will now be evident without a 'Ihis` plate 23 is attached to the adjacent angle changes in the details 'of construction, combil nation and arrangement of parts may be resorted to without departing from the spirit of the invention or sacrificing any of its advantages.

In order to ascertain the exact location of the block 13 it is preferable to provide a dia'l 30 on the dash indicia `desi nating t e various shutters so that when t e end of the crank is adjacent to one of them the location of theV block `13 will be known. Of course any other suitable means may be used for this purpose.

Having thus described my invention, what I claim as new, is:

1. In a shutter mechanism of the class described, a shutter, a dog attached tothe shutter, means for engaging the dog so as to open or close the shutter, and means associated with the dog for frictionally engaging the` same so as to hold the shutter 1n an open or closed position against accidental movement.

2. In a shutter mechanism of the class described, a shutter, a do associated with the lshutter for operation t ereof to a closed or open position, a shaft provided with a spiral groove, a block mounted on the shaft and.

provided with` lugs projecting 'into the groove of the shaft, means for preventing rotation of the block whereby upon rotation of the shaft said block will move longitudinally of the shaft, and means. on the block for engaging the dog as the block passes thereby whereby said dog is actuated to oprovided with suitable erate the shutter to an open or ,closed posi- I tion.v

3. In a shutter vmechanism ofthe class described, a shutter, a do associated with the shutter for operation t ereof toa closed or "i open position, a shaft provided with a spiral groove, a block mounted on the shaft vand provided with lugs projecting into the groove of the shaft, means for preventingl rotation of the block whereby upon rotation of the shaft said block` will move longitudinally of the shaft, means on the block for engaging the dog as the block passes thereby whereby said dog is actuated to operate .the shutter to an open or closed position, and means for engaging the dog for preventing accidental movement thereof so as to hold the shutter in an open or closed position in the manner and for the purpose specified.

4. In a shutter mechanism of the class described, a plurality of shutters, dogs associated with the shutters for actuation thereof, one on each shutterfa shaft rovided with a spiral groove, a block on t e shaft provided with a lug disposed in said groove, means for preventino' rotation of the block whereby upon rotatlon of the shaft said Block vwill move longitudinally thereof, a In testimony whereof I aix my signature nger projecting from the block for engagen presence of two Witnesses. nie-nt with the dog for actuation of the lat- `ter, and Spring clips provided in associa.- WILLIAM s' THELLMAN 5 lion with the dogs for frctionally engaging' Witnesses:

them and preventing accidental movement CHARLES ED. MUBFIN,

thereof. F. R. KOCH. 

